electro-optical (EO)

electro-optical countermeasures

electro-optical sensor

electro-optical system

electro-optical warfare system

electro-optical glide bomb

electro-optical / infra-red (EO/IR)

electro-optical / infrared payload (EO/IR payload)

electro-optical systems (EOS)

electro-explosive device (EED)

electro-optic/infrared (EO/IR)

electro-optics

electro-slag refined (ESR) steel

electro-technical equipment

electro-magnetic contamination

optical decoy

optical device

optical electronic countermeasures

optical flash

optical gas mask

optical homing

optical intelligence

optical mine-hunting

optical munitions

optical range

optical relay

optical sight

optical target-sensor

optical tracking

artillery optical reconnaissance

helmet-mounted optical display

optimized optical link helmet-mounted display

optical communication